/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.kie.kogito.svg.rest;

import java.util.Optional;

import org.kie.kogito.svg.ProcessSvgService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/svg")
public class SpringBootProcessSvgResource {

    @Autowired
    ProcessSvgService service;

    @GetMapping(value = "processes/{processId}", produces = "image/svg+xml")
    public ResponseEntity getProcessSvg(@PathVariable("processId") String processId) {
        Optional<String> processSvg = service.getProcessSvg(processId);
        if (processSvg.isPresent()) {
            return ResponseEntity.ok(processSvg.get());
        } else {
            return ResponseEntity.status(HttpStatus.NOT_FOUND).body("Process with id " + processId + " not found");
        }
    }

    @GetMapping(value = "processes/{processId}/instances/{processInstanceId}", produces = "image/svg+xml")
    public ResponseEntity getExecutionPathByProcessInstanceId(@PathVariable("processId") String processId,
            @PathVariable("processInstanceId") String processInstanceId,
            @RequestHeader(value = "Authorization", required = false) String authHeader) {
        Optional<String> processInstanceSvg = service.getProcessInstanceSvg(processId, processInstanceId, authHeader);
        if (processInstanceSvg.isPresent()) {
            return ResponseEntity.ok(processInstanceSvg.get());
        } else {
            return ResponseEntity.status(HttpStatus.NOT_FOUND).body("Process with id " + processId + " not found");
        }
    }

    @Autowired
    protected void setProcessSvgService(ProcessSvgService service) {
        this.service = service;
    }
}
